TO-252-2L Plastic-Encapsulate Voltage Regulators
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CJ7815 Three-terminal positive voltage regulator ELECTRICAL CHARACTERISTICS(Vi=23V,Io=500mA,-25℃<T J <125℃,Ci=0.33µF,Co=0.1µF, unless otherwise specified ) Parameter Symbol Test conditions Min Typ Max Unit T J =25℃ 14.55 15 15.45 V Output voltage Vo 17.5V≤V i ≤30V, Io=5mA-1A,P≤15W 14.25 15 15.75 V T J =25℃, Io=5mA-1.5A 12 300 mV Load Regulation ∆Vo T J =25℃, Io=250mA-750mA 3 150 mV 17.5V≤V i ≤30V, T J =25℃ 12 300 mV Line regulation ∆Vo 20V≤V i ≤26V, T J =25℃ 4 150 mV Quiescent Current Iq T J =25℃ 4.3 8 mA ∆Iq 17.5V≤V i ≤30V 1 mA Quiescent Current Change ∆Iq 5mA≤I O ≤1A 0.5 mA Output voltage drift Vo/ T △ △ I O =5mA -1 mV/℃ Output Noise Voltage V N 10Hz≤f≤100KHz 90 Ripple Rejection RR 18.5V≤V i ≤28.5V,f=120Hz, T J =25℃ 54 70 dB Dropout Voltage Vd T J =25℃, Io=1A 2 V Output resistance R O f=1KH Z 19 mΩ Short Circuit Current Isc T J =25℃ 230 mA Peak Current Ipk T J =25℃ 2.1 A TYPICAL APPLICATION FEATURES Maximum output current I OM : 1.5 A Output voltage V O : 15 V Continuous total dissipation P D : 1.25 W ABSOLUTE MAXIMUM RATINGS (Operating temperature range applies unless otherwise specified) Parameter Symbol Value Unit Input Voltage V i 35 V Thermal Resistance from Junction to Ambient R θJA 80 ℃/W Operating Junction Temperature Range T OPR -40~+125 ℃ Storage Temperature Range T STG -65~+150 ℃ * Pulse test. μV/Vo 2 Co 0.1μF Vi 1 3 Vo Ci 0.33μF CJ7815 Note: Bypass capacitors are recommended for optimum stability and transient response and should be located as close as possible to the regulators. (T a = 25 ℃ ) 1 Rev. - 2.2 www.jscj-elec.com TO-252-2L IN 1. 2.GND 3.OUT 1 2 3 JIANGSU CHANGJING ELECTRONICS TECHNOLOGY CO., LTD TO-252-2L Plastic-Encapsulate Voltage Regulators
Transcript of TO-252-2L Plastic-Encapsulate Voltage Regulators
CJ7815 Three-terminal positive voltage regulator
ELECTRICAL CHARACTERISTICS(Vi=23V,Io=500mA,-25<TJ<125,Ci=0.33µF,Co=0.1µF, unless otherwise specified )
Parameter Symbol Test conditions Min Typ Max Unit
TJ=25 14.55 15 15.45 V Output voltage Vo
17.5V≤V i≤30V, Io=5mA-1A,P≤15W 14.25 15 15.75 V
TJ=25, Io=5mA-1.5A 12 300 mV Load Regulation ∆Vo
TJ=25, Io=250mA-750mA 3 150 mV
17.5V≤V i≤30V, TJ=25 12 300 mV Line regulation ∆Vo
20V≤V i≤26V, TJ=25 4 150 mV
Quiescent Current Iq TJ=25 4.3 8 mA
∆Iq 17.5V≤V i≤30V 1 mAQuiescent Current Change
∆Iq 5mA≤I O≤1A 0.5 mA
Output voltage drift Vo/ T IO=5mA -1 mV/
Output Noise Voltage VN 10Hz≤f≤100KHz 90
Ripple Rejection RR 18.5V≤V i≤28.5V,f=120Hz, TJ=25 54 70 dB
Dropout Voltage Vd TJ=25, Io=1A 2 V
Output resistance RO f=1KHZ 19 mΩ
Short Circuit Current Isc TJ=25 230 mA
Peak Current Ipk TJ=25 2.1 A
TYPICAL APPLICATION
FEATURES
Maximum output current IOM: 1.5 A
Output voltage VO: 15 V
Continuous total dissipation PD: 1.25 W
ABSOLUTE MAXIMUM RATINGS (Operating temperature range applies unless otherwise specified)
Parameter Symbol Value Unit
Input Voltage Vi 35 V
Thermal Resistance from Junction to Ambient RθJA 80 /W Operating Junction Temperature Range TOPR -40~+125 Storage Temperature Range TSTG -65~+150
* Pulse test.
μV/Vo
2 Co
0.1μF
Vi 1 3 Vo
Ci
0.33μF
CJ7815
Note: Bypass capacitors are recommended for optimum stability and transient response and should be located as close as
possible to the regulators.
(Ta= 25 )
1 Rev. - 2.2www.jscj-elec.com
TO-252-2L
IN1.
2.GND
3.OUT1
2
3
JIANGSU CHANGJING ELECTRONICS TECHNOLOGY CO., LTD
TO-252-2L Plastic-Encapsulate Voltage Regulators
Typical Characteristics
0.0 0.5 1.0 1.5 2.0 2.56
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Current Cut-off Grid Voltage
OU
TPU
T VO
LTAG
E
V O
(V)
OUTPUT CURRENT IO (A)
VIN=23VTj=25Pulsed
QU
IES
CE
NT
CU
RR
EN
T
I Q
(mA)
INPUT VOLTAGE VIN (V)
Quiescent Current vs Input Voltage
IO=0mATj=25
IO =0mA、250mA、500mA、750mA、1A、1.5A
Tj=25
Dropout Characteristics
OU
TPU
T VO
LTAG
E
V O
(V)
INPUT VOLTAGE VIN (V)
Output Voltage vs Junction Temperature
IO=0mATj=25
OU
TPU
T VO
LTAG
E V
O
(V)
INPUT VOLTAGE VIN (V)
Output Characteristics
Power Derating Curve
2 Rev. - 2.2www.jscj-elec.com
-25 0 25 50 75 100 1250.00
0.25
0.50
0.75
1.00
1.25
PO
WE
R D
ISS
IPA
TIO
N P
D (
W)
-40
JUNCTION TEMPERATURE TJ ( )
-25 0 25 50 75 100 1250
5
10
15
20
Vin= 23V
IO= 5mA
JUNCTION TEMPERATURE TJ ( )
OU
TP
UT
VO LT
AG
E V
O (
V)
-40
Min. Max. Min. Max.A 2.200 2.400 0.087 0.094
A1 0.000 0.127 0.000 0.005b 0.635 0.770 0.025 0.030c 0.460 0.580 0.018 0.023D 6.500 6.700 0.256 0.264D1 5.100 5.460 0.201 0.215D2E 6.000 6.200 0.236 0.244e 2.186 2.386 0.086 0.094L 9.712 10.312 0.382 0.406
L1L2 1.400 1.700 0.055 0.067L3L4 0.600 1.000 0.024 0.039Φ 1.100 1.300 0.043 0.051θ 0° 8° 0° 8°h 0.000 0.300 0.000 0.012V
1.600 REF. 0.063 REF.
5.250 REF. 0.207 REF.
Symbol Dimensions In Millimeters Dimensions In Inches
2.900 REF. 0.114 REF.
4.830 REF. 0.190 REF.
1 Rev. - 2.2
TO-252-2L Package Outline Dimensions
TO-252-2L Suggested Pad Layout
L4A1
D
D1
L
e b
cA
V
D2
L1
E
L2
L3
φ
θ
h
TO-252-2L Tape and Reel
2 Rev. - 2.2
Copyright © JIANGSU CHANGJING ELECTRONICS TECHNOLOGY CO., LTD.
DISCLAIMER
IMPORTANT NOTICE, PLEASE READ CAREFULLYThe information in this data sheet is intended to describe the operation and characteristics of our products. JSCJ has the right to make any modification, enhancement, improvement, correction or other changes to any content in this data sheet, including but not limited to specification parameters, circuit design and application information, without prior notice. Any person who purchases or uses JSCJ products for design shall: 1. Select products suitable for circuit application and design; 2. Design, verify and test the rationality of circuit design; 3. Procedures to ensure that the design complies with relevant laws and regulations and the requirements of such laws and regulations. JSCJ makes no warranty or representation as to the accuracy or completeness of the information contained in this data sheet and assumes no responsibility for the application or use of any of the products described in this data sheet. Without the written consent of JSCJ, this product shall not be used in occasions requiring high quality or high reliability, including but not limited to the following occasions: medical equipment, automotive electronics, military facilities and aerospace. JSCJ shall not be responsible for casualties or property losses caused by abnormal use or application of this product.
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